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Study of the Composition and Properties of Coatings being Formed during Combustion of Al + B2O3 Mixtures on Steel Substrates

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Abstract:

Within the scope of this work, the methods of the experimental research of SHS processes during HFC-heating, particularly of hardening coatings applied on samples by HFC-heating have been developed. A study of the composition and properties of the products formed during the SHS process in the basic mixture on the surface of S355 steel parts during HFC-heating has been made, and it has been shown that aluminum oxide, aluminum nitride (by-product), and amorphous boron are formed under these conditions, and composite porous inhomogeneous coatings up to 250 microns thick, based on aluminum oxide, SHS products in the basic mixture and traces of high-speed HFC-boriding products are formed on the workpiece surface.

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Periodical:

Materials Science Forum (Volume 1022)

Pages:

87-96

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.1022.87

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Online since:

February 2021

Authors:

Alexandr Shegolev, Alexey Ishkov*, Vladimir N. Malikov

Keywords:

Coating Powders, Hardening Coatings, HFC-Heating, SHS Processes

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© 2021 Trans Tech Publications Ltd. All Rights Reserved

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